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| Part Number | KLLU1000X | KLLU1200X | KLLU1600X | KLLU1500X | KLLU1800X | KLLU1400X | KLLU2000X | KLLU3000X | KLLU4000X |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Mounting Type | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount |
| Fuse Type | Cartridge | Cartridge | Cartridge | Cartridge | Cartridge | Cartridge | Cartridge | Cartridge | Cartridge |
| Current Rating (Amps) | 1kA | 1.2kA | 1.6kA | 1.5kA | 1.8kA | 1.4kA | 2kA | 3kA | 4kA |
| Voltage Rating - AC | 600 V | 600 V | 600 V | 600 V | 600 V | 600 V | 600 V | 600 V | 600 V |
| Voltage Rating - DC | 300 V | 300 V | 300 V | 300 V | 300 V | 300 V | 300 V | 300 V | 300 V |
| Response Time | Slow Blow | Slow Blow | Slow Blow | Slow Blow | Slow Blow | Slow Blow | Slow Blow | Slow Blow | Slow Blow |
| Applications | Electrical, Industrial | Electrical, Industrial | Electrical, Industrial | Electrical, Industrial | Electrical, Industrial | Electrical, Industrial | Electrical, Industrial | Electrical, Industrial | Electrical, Industrial |
| Features | - | - | - | - | - | - | - | - | - |
| Class | L | L | L | L | L | L | L | L | L |
| Approval Agency | CE, CSA, UL | CE, CSA, UL | CE, CSA, UL | CE, CSA, UL | CE, CSA, UL | CE, CSA, UL | CE, CSA, UL | CE, CSA, UL | CE, CSA, UL |
| Operating Temperature | - | - | - | - | - | - | - | - | - |
| Breaking Capacity @ Rated Voltage | 200kA AC, 20kA DC | 200kA AC, 20kA DC | 200kA AC, 20kA DC | 200kA AC, 20kA DC | 200kA AC, 20kA DC | 200kA AC, 20kA DC | 200kA AC, 20kA DC | 200kA AC, 20kA DC | 200kA AC, 20kA DC |
| Package / Case | Cylindrical, Blade Terminal (Bolt) | Cylindrical, Blade Terminal (Bolt) | Cylindrical, Blade Terminal (Bolt) | Cylindrical, Blade Terminal (Bolt) | Cylindrical, Blade Terminal (Bolt) | Cylindrical, Blade Terminal (Bolt) | Cylindrical, Blade Terminal (Bolt) | Cylindrical, Blade Terminal (Bolt) | Cylindrical, Blade Terminal (Bolt) |
| Size / Dimension | 2.500" Dia x 3.752" L (63.50mm x 95.30mm) | 2.500" Dia x 3.752" L (63.50mm x 95.30mm) | 3.000" Dia x 3.752" L (76.20mm x 95.30mm) | 3.000" Dia x 3.752" L (76.20mm x 95.30mm) | 3.500" Dia x 3.752" L (88.90mm x 95.30mm) | 3.000" Dia x 3.752" L (76.20mm x 95.30mm) | 3.500" Dia x 3.752" L (88.90mm x 95.30mm) | 5.000" Dia x 4.000" L (127.00mm x 101.6mm) | 5.752" Dia x 4.000" L (146.10mm x 101.60mm) |
